Question

One day while walking in the park, you observe a squirrel munching on an acorn,
when suddenly a hawk comes and grabs and eats the squirrel. What is the squirrel in
this situation?
A. Predator
B. Primary consumer
C. Prey
D. Secondary consumer
E. Both B and C
F. Both A and D
-------------------------
You have formulated a hypothesis: "Pineapples contain more vitamin C than
oranges." To test this hypothesis you measure vitamin C levels in 20 oranges and 20
pineapples from trees that were grown in the same orchard under the same
environmental conditions (temperature, rain, sunlight). Select all statements that are
true about this experiment.
a The independent variable is the type of fruit
b The dependent variable is the number of each fruit
c The dependent variable is the orchard
d The independent variable is the vitamin C levels
e The temperature is a controlled variable

--------------------

A man carries the mutation for colorblindness on his X chromosome. Who will he
pass this mutation on to?
a Half of his sons
b All of his daughters
c All of his sons
d Half of his daughters
-----------------------
In the scientific method, a hypothesis ______ .
a. is a proposed explanation based on observations
b. should be broad and non-specific
c. is a question asked by the researcher
d. is a statement of scientific fact
e. is a summary of scientific results

-----------------------

What is the sequence of the mRNA made from the gene TTAGCGGAACT?
a. UCAAGGCGAUU
b. AAUCGCCUUGA
c. AGUUCCGCUAA
d. UUAGCGGAACU
e. TTAGCGGAACT
-----------------------------
When two atoms have the same atomic number but different atomic masses, what
are they called?
a. radioactive
b. ions
c. elements
d. isotopes
e. electrons

Answer 1